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What is V048F040M050?

This electronic component, produced by the manufacturer "Vicor Corporation", performs the same function as "(V048F040x050) Voltage Transformation Module".


V048F040M050 Datasheet PDF - Vicor Corporation

Part Number V048F040M050
Description (V048F040x050) Voltage Transformation Module
Manufacturers Vicor Corporation 
Logo Vicor Corporation Logo 


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VTM
PRELIMINARY
V048F040T050
V•I ChipTM – VTM
Voltage Transformation Module
• 48 V to 4 V V•I Chip Converter
• 50 A (75 A for 1 ms)
• High density – 182 A/in3
• Small footprint – 45 A/in2
• Low weight – 0.5 oz (14 g)
• Pick & Place / SMD
• 125°C operation
• 1 µs transient response
• 3.5 million hours MTBF
• Typical efficiency 94%
• No output filtering required
Vf = 26 - 55 V
VOUT = 2.17 - 4.58 V
IOUT = 50 A
K = 1/12
ROUT = 3.9 mΩ max
©
Actual size
Product Description
The V048F040T050 V•I Chip Voltage Transformation
Module (VTM) excels at speed, density and efficiency to
meet the demands of advanced power applications
while providing isolation from input to output. It
achieves a response time of less than 1 µs and delivers
up to 50 A in a volume of less than 0.274 in3 with
unprecedented efficiency. It may be paralleled to deliver
higher power levels at an output voltage settable from
2.17 to 4.58 Vdc.
The VTM V048F040T050’s nominal output voltage is 4
Vdc from a 48 Vdc input Factorized Bus, Vf, and is
controllable from 2.17 to 4.58 Vdc at no load, and from
1.98 to 4.40 Vdc at full load, over a Vf input range of 26
to 55 Vdc. It can be operated either open- or closed-loop
depending on the output regulation needs of the
application. Operating open-loop, the output voltage
tracks its Vf input voltage with a transformation ratio,
K = 1/12, for applications requiring an isolated output
voltage with high efficiency. Closing the loop back to an
input Pre-Regulation Module (PRM) or DC-DC converter
enables tight load regulation.
The 4 V VTM achieves a current density of 182 A/in3 in
a V•I Chip package compatible with standard pick-and-
place and surface mount assembly processes. The VTM’s
fast dynamic response and low noise eliminate the
need for bulk capacitance at the load, substantially
increasing system density while improving reliability
and decreasing cost.
Absolute Maximum Ratings
Parameter
+In to -In
+In to -In
PC to -In
VC to -In
+Out to -Out
Isolation voltage
Output current
Peak output current
Output power
Peak output power
Case temperature
Values
-1.0 to 60
100
-0.3 to 7.0
-0.3 to 19.0
-0.5 to 12
2,250
50
75
220
330
208
Operating junction temperature(1)
-40 to 125
-55 to 125
Storage temperature
-40 to 150
-65 to 150
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
A
A
W
W
°C
°C
°C
°C
°C
Notes
For 100 ms
Input to Output
Continuous
For 1 ms
Continuous
For 1 ms
During reflow
T - Grade
M - Grade
T - Grade
M - Grade
Note:
(1) The referenced junction is defined as the semiconductor having the highest temperature.
This temperature is monitored by a shutdown comparator.
Part Numbering
V 048
Voltage
Transformation
Module
Input Voltage
Designator
F
Configuration Options
F = On-board (Figure 10)
040
Output Voltage
Designator
(=VOUT x10)
T
050
Output Current
Designator
(=IOUT)
Product Grade Temperatures (°C)
Grade Storage Operating
T -40 to150 -40 to125
M -65 to150 -55 to125
vicorpower.com 800-735-6200
V•I Chip Voltage Transformation Module
V048F040T050
Rev. 1.1
Page 1 of 13

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V048F040M050 equivalent
Pin/Control Functions
PRELIMINARY
+IN/-IN DC Voltage Ports
The VTM input should not exceed the maximum specified. Be aware of
this limit in applications where the VTM is being driven above its
nominal output voltage. If less than 26 Vdc is present at the +In and -In
ports, a continuous VC voltage must be applied for the VTM to process
power. Otherwise VC voltage need only be applied for 10 ms after the
voltage at the +In and -In ports has reached or exceeded 26 Vdc. If the
input voltage exceeds the overvoltage turn-off, the VTM will shutdown.
The VTM does not have internal input reverse polarity protection.
Adding a properly sized diode in series with the positive input or a
fused reverse-shunt diode will provide reverse polarity protection.
TM – For Factory Use Only
VC – VTM Control
The VC port is multiplexed. It receives the initial VCC voltage from an
upstream PRM, synchronizing the output rise of the VTM with the
output rise of the PRM. Additionally, the VC port provides feedback to
the PRM to compensate for the VTM output resistance. In typical
applications using VTMs powered from PRMs, the PRM’s VC port
should be connected to the VTM VC port.
In applications where a VTM is being used without a PRM, 14 V must
be supplied to the VC port for as long as the input voltage is below 26 V
and for 10 ms after the input voltage has reached or exceeded 26 V. The
VTM is not designed for extended operation below 26 V. The VC port
should only be used to provide VCC voltage to the VTM during startup.
+Out
-Out
+Out
-Out
43
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
21
A
B
C
D
E
+In
TM
H
J VC
K
PC
L
M
N
P -In
R
T
Bottom View
Signal Name
+In
–In
TM
VC
PC
+Out
–Out
Pin Designation
A1-E1, A2-E2
L1-T1, L2-T2
H1, H2
J1, J2
K1, K2
A3-D3, A4-D4,
J3-M3, J4-M4
E3-H3, E4-H4,
N3-T3, N4-T4
PC – Primary Control
The Primary Control (PC) port is a multifunction port for controlling the
VTM as follows:
Disable – If PC is left floating, the VTM output is enabled. To
disable the output, the PC port must be pulled lower than 2.4 V,
referenced to -In. Optocouplers, open collector transistors or relays
can be used to control the PC port. Once disabled, 14 V must be
re-applied to the VC port to restart the VTM.
Primary Auxiliary Supply – The PC port can source up to 2.4 mA
at 5 Vdc.
Figure 9—VTM pin configuration
+OUT/-OUT DC Voltage Output Ports
The output and output return are through two sets of contact
locations. The respective +Out and –Out groups must be connected in
parallel with as low an interconnect resistance as possible. Within the
specified input voltage range, the Level 1 DC behavioral model shown
in Figure 17 defines the output voltage of the VTM. The current source
capability of the VTM is shown in the specification table.
To take full advantage of the VTM, the user should note the low output
impedance of the device. The low output impedance provides fast
transient response without the need for bulk POL capacitance. Limited-
life electrolytic capacitors required with conventional converters can be
reduced or even eliminated, saving cost and valuable board real estate.
vicorpower.com 800-735-6200
V•I Chip Voltage Transformation Module
V048F040T050
Rev. 1.1
Page 5 of 13


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V048F040M050The function is (V048F040x050) Voltage Transformation Module. Vicor CorporationVicor Corporation

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